Air conditioning refrigeration principle analysis of air conditioning refrigeration principle
In the hot summer months, air conditioning is a must. Air conditioning will bring us a cool feeling. It will drive away the heat and spend the hot summer in indoor air conditioning. However, many people's air conditioners will not be cooled. The problem, we generally do not know what to do, do not know the reason why the air conditioner does not cool, do not think about the refrigeration principle of air conditioning, then today by the small series of the decoration home network for everyone to introduce, air conditioning refrigeration What are the principles?
First, the principle of refrigeration of air conditioning
The principle of household air conditioning is the second law of thermodynamics. It changes the state of the refrigerant by consuming mechanical energy, and then transfers the heat from the object with low temperature to the environment with high temperature. At the same time, the second law of thermodynamics runs through the entire air conditioner. This principle is often used and seen in our work and life.
The refrigeration principle of the household air conditioner is that after the air conditioner is energized, the low pressure steam of the refrigerant in the refrigeration system is sucked by the compressor and compressed into high pressure steam, and then discharged to the condenser, while the outdoor air sucked by the axial fan flows through the condenser to take away the refrigeration. The heat released by the agent causes the high-pressure refrigerant vapor to condense into a high-pressure liquid. The high-pressure liquid is sprayed into the evaporator through the filter and the throttling mechanism, and is evaporated at a corresponding low pressure to absorb the surrounding heat. At the same time, the cross-flow fan allows air to continuously enter the ribs of the evaporator for heat exchange, and sends the exhaled air to the indoors, so that the indoor air continuously circulates, thereby reaching the effect of lowering the temperature.
The principle of household air conditioning heating includes the heat pump type air conditioning heating principle and the electric auxiliary heat pump type air conditioning heating principle. The heat pump type air conditioner heating principle has the advantages of high efficiency, and it is realized by using indoor and outdoor heating cycles. The electric auxiliary heat pump type air conditioner heating principle is based on the heat pump type air conditioner, which increases the electric heating element to reduce the power consumption by the simple electric heating, and can reach the temperature range than the use of the simple heat pump, and starts at a low temperature. Start temperature -10 ° C.
Second, the reasons for the air conditioning not cooling
1. Whether the power supply voltage reaches the starting voltage requirement of the air conditioner
The first reason to consider whether the air conditioner is not cooling is whether the voltage is normal or not. In some places, the power supply voltage is unstable, and often the normal voltage is not reached. Especially when the power peak is high, especially at night, the voltage is not easy to appear. The performance of this problem is: air conditioning and cooling are normal when the voltage is normal, when the voltage is unstable, it will affect the air conditioner and sometimes it will not be cold.
2. Is the air conditioner regularly cleaned regularly?
According to the principle of air conditioning and refrigeration, if the voltage is normal, then the cleaning and maintenance aspects should be considered. If the air conditioner is often cleaned and maintained, the cooling effect on the air conditioner will increase a lot. Therefore, in the process of using the air conditioner, it is necessary to carry out various maintenance on the air conditioner frequently. There is one of them. Since the outdoor unit is installed outdoors, it is easy for everyone to ignore it. After a long time of use, the outdoor unit will absorb a lot of dust and other dirt on the radiator, so that the heat dissipation effect of the radiator is poor. The air conditioner is not cooled.
3. Is the copper pipe connected to the outdoor unit and the indoor unit reasonable?
According to the experts of air-conditioning refrigeration principle, whether the length of the copper pipe connected between the outdoor unit and the indoor unit is reasonable, or shortening its productivity as much as possible will help the cooling effect of the air conditioner. Some owners' air conditioners are installed according to the needs of the installation at that time. It is not very reasonable, so that the ventilation pipe is too long, so the heat transfer efficiency will also cause the air conditioner to not cool.
4. The outdoor temperature is too high, resulting in air conditioning not cooling
The principle of air conditioning and refrigeration also mentions that it is necessary to pay attention to the use environment of the outdoor unit of the air conditioner, especially to keep away from the high temperature environment or to make the air around the air conditioner outdoor unit easier to circulate, which will also greatly help the cooling of the air conditioner. The air conditioner is placed in an environment where the temperature is too high, so that the heat radiated from the radiator cannot flow away, so that the air conditioner does not cool.
The above is the analysis of the reasons for the refrigeration of air conditioners and the reasons for not cooling. If you want to know more about decoration information, please continue to pay attention to the decoration home network.
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